German States. Free imperial city of Nuremberg. Rechenpfennig, 1586-1635. 28mm, 4.7 g.

obv: NEPTVNVS ✿, The god Neptune holding his trident in both hands, 

standing on a sea creature, sailing on the waves. In the background, on the right, a ship.

rev: HERCVLES ET PALLAS, Hercules standing right next to Pallas. 

Engraver's (Hans Krauwinckel) initials H•K• in exergue.

NJ 1# 313.